CN114658949B - 一种自导流双密封管道封堵器 - Google Patents
一种自导流双密封管道封堵器 Download PDFInfo
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- CN114658949B CN114658949B CN202210275723.7A CN202210275723A CN114658949B CN 114658949 B CN114658949 B CN 114658949B CN 202210275723 A CN202210275723 A CN 202210275723A CN 114658949 B CN114658949 B CN 114658949B
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- 238000007789 sealing Methods 0.000 claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract 3
- 238000001514 detection method Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210275723.7A CN114658949B8 (zh) | 2022-03-21 | 2022-03-21 | 一种自导流双密封管道封堵器 |
Applications Claiming Priority (1)
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CN202210275723.7A CN114658949B8 (zh) | 2022-03-21 | 2022-03-21 | 一种自导流双密封管道封堵器 |
Publications (3)
Publication Number | Publication Date |
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CN114658949A CN114658949A (zh) | 2022-06-24 |
CN114658949B true CN114658949B (zh) | 2022-09-09 |
CN114658949B8 CN114658949B8 (zh) | 2022-11-01 |
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CN202210275723.7A Active CN114658949B8 (zh) | 2022-03-21 | 2022-03-21 | 一种自导流双密封管道封堵器 |
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CN (1) | CN114658949B8 (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2225590Y (zh) * | 1995-06-09 | 1996-04-24 | 张良永 | 管道封堵器 |
CN204005013U (zh) * | 2014-08-01 | 2014-12-10 | 台州市金焰机械设备有限公司 | 一种管道用的皮碗封堵头 |
CN106499908A (zh) * | 2016-12-15 | 2017-03-15 | 福州市水务管网维护有限公司 | 一种膨胀式管道封堵头及其主体机构 |
US20190390814A1 (en) * | 2018-06-22 | 2019-12-26 | Tdw Delaware, Inc. | Isolation Plug With Energized Seal |
CN111810762A (zh) * | 2020-07-06 | 2020-10-23 | 北京天兴燃气工程有限公司 | 一种管道封堵器 |
-
2022
- 2022-03-21 CN CN202210275723.7A patent/CN114658949B8/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2225590Y (zh) * | 1995-06-09 | 1996-04-24 | 张良永 | 管道封堵器 |
CN204005013U (zh) * | 2014-08-01 | 2014-12-10 | 台州市金焰机械设备有限公司 | 一种管道用的皮碗封堵头 |
CN106499908A (zh) * | 2016-12-15 | 2017-03-15 | 福州市水务管网维护有限公司 | 一种膨胀式管道封堵头及其主体机构 |
US20190390814A1 (en) * | 2018-06-22 | 2019-12-26 | Tdw Delaware, Inc. | Isolation Plug With Energized Seal |
CN111810762A (zh) * | 2020-07-06 | 2020-10-23 | 北京天兴燃气工程有限公司 | 一种管道封堵器 |
Also Published As
Publication number | Publication date |
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CN114658949A (zh) | 2022-06-24 |
CN114658949B8 (zh) | 2022-11-01 |
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CI03 | Correction of invention patent |
Correction item: Inventor Correct: Gerbillon |Huang Wenyao|Qi Lirong|Caption|Zhang Chen|Zhang Bo|Xiong Yilin|Ma Bohao|Shen ||Zhang Jiabao False: Gerbillon |Huang Wenyao|Qi Lirong|Caption|Zhang Chen|Zhang Bo|Xiong Yilin|Ma Bohao|Shen ||Zhang Jiabao Number: 36-02 Page: The title page Volume: 38 Correction item: Inventor Correct: Gerbillon |Huang Wenyao|Qi Lirong|Caption|Zhang Chen|Zhang Bo|Xiong Yilin|Ma Bohao|Shen ||Zhang Jiabao False: Gerbillon |Huang Wenyao|Qi Lirong|Caption|Zhang Chen|Zhang Bo|Xiong Yilin|Ma Bohao|Shen ||Zhang Jiabao Number: 36-02 Volume: 38 |
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CI03 | Correction of invention patent |